Recent questions tagged iOS

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It seems that most 3D authoring applications use Z as the 'Up' axis. While SceneKit uses Y as the 'Up ... meaning of these option parameters? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Drawing a path with subtracted text using Core Graphics

Creating filled paths in Core Graphics is straight-forward, as is creating filled text. But I am yet to find examples ... of SO's NDA-police ;) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

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ios - Upload image to server - Swift 3

I want to send an image as a parameter along with my request. I have used the code below to call my POST ... format. Please help me in this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Edge Detection of Image in iPhone Using Image Magick

I want to convert RGB image into Below Image. I am using ImageMagick Library . I want help to know that by ... to this Link in Objective C. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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ios - Accepting chatroom invitation

I'm able to create a MUC using XMPPFramework and send user invitation requests to join that room by ... delegate newMessageRecieved:msg]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

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ios - NSRegularExpression validate email

i want to use the NSRegularExpression Class to validate if an NSString is an email address. Something like this ... me here. Greetings s4lfish See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - ASIHTTPRequest fails in production builds

So i've run into quite a problem. It seems that ASIHTTPRequest just does not want to work in a ... could possibly cause this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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414 views

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ios - How to symbolicate crash log with Xcode 8?

I should have the symbolicate from my device. I followed the instruction from http://jmillerdev.net/ ... Resources/symbolicatecrash line 899. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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352 views

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ios - Max size of WebSQL/SQLite database inside UIWebView (phonegap)

It seems to have been asked before but I did not find a satisfactory answer. When creating a IOS Phone gap ... there for native web view apps? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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238 views

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ios - Upload video on youtube from iphone app

I want to upload video on youtube from my iphone app.. I have tried this http://urinieto.com/2010/10/ ... )]; [self setUploadTicket:ticket]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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276 views

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ios - Adding cells programmatically to UITableView

I've just recently started programming for the iPhone and I'm making an application that connects to a ... ]; [eventTypesTable endUpdates]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

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ios - Launch host app from watch app

I know that the openParentApplication api in watch kit extension can open the host app in the background but not ... from watch kit extension? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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328 views

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ios - Sending image file over Bluetooth 4.0 LE

I am trying to send an .png image file from one iOS Device to another over Bluetooth 4.0 LE. I am able ... the image I have sent over. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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272 views

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ios - How to get All paths for files in Documents directory?

I usually get paths by using NSBundle. But, NSBundle does not contain Documents folder. How to get All ... for files in Documents directory? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

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ios - Detect touch event on UIScrollView AND on UIView's components [which is placed inside UIScrollView]

I have UIViewController on my simple storyboard IPad project which contains UIScrollView which is placed over entire ... thanks to Zheng. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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ios - AVPlayer : How to handle network interruptions

When using AVPlayer to play audio from an url it will discontinue to play when for example disconnecting from wifi ... and start playing again? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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ios - AMAZON AWS How do i subscribe an endpoint to SNS topic?

I'm implementing push notifications in an iOS app using Amazon SNS and Amazon Cognito services. Cognito saves ... with Amazon services only? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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956 views

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ios - How to send POST request with both parameter and body for JSON data in Swift 3 using Alamofire 4?

Postman api url added below. Present code : let baseUrl = "abc.com/search/" let param = [ "page":"1", ... Please help me to slove this problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

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ios - How can I pass value between NavigationController and ViewController with StoryBoard?

I have a problem, The following is my StoryBoard, the first Controller is a TabBarController, and it ... and ViewController with StoryBoard? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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435 views

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ios - voice over can only see a page of a uicollectionview

So i have a UICollectionView with a set of UICollectionViewCells displayed using a custom UILayout. I've configured ... to get this behaviour? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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ios - When a subclass overrides a method, how can we ensure at compile time that the superclass's method implementation is called?

The classic example is: - (void)viewDidLoad { [super viewDidLoad]; // Subclasses sometimes forget this ... [UIViewController viewDidLoad]? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

1 answer

ios - How come I can install an app store distribution build directly on my device?

I was under the impression that it was impossible to install an app store distribution build directly on a test ... separate ad hoc builds? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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ios - iCloud: Callback for NSFileManager's startDownloadingUbiquitousItemAtURL?

I am using NSFileManager's startDownloadingUbiquitousItemAtURL to download file from iCloud to local copy (the local does ... to poll for this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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ios - How to pass a variable to a UIButton action

I want to pass a variable to a UIButton action, for example NSString *string=@"one"; [downbutton addTarget: ... variable to a UIButton action? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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468 views

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ios - performSegueWithIdentifier vs instantiateViewControllerWithIdentifier

I don't seem to get this SIGABRT I keep getting. I have this storyboard iOS application, and in the storyboard ... be performed. Now: ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

1 answer

ios - How to make popup like keyboard characters in iOS8 custom keyboard?

I want to create popup in iOS8 custom keyboard as shown below image. Some code are working but can't access outer ... as shown in below image-2 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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ios - Mask a UIView with a cut-out circle

I've created a UIView with a semi-transparent black background to sit across my main app's view. ... ; [blackMask addSubview:circularMaskView]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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406 views

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ios - Observing Changes to a mutable array using KVO vs. NSNotificationCenter

In my model I have an array of objects called events. I would like my controller to be notified ... best practices is greatly appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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